Finding the Fourth Proportional to 21,292.04, 29,389.56 and 12,341.81

Step by Step Solution

1. Step 1: Write the proportion equation
   21,292.04 : 29,389.56 = 12,341.81 : x
2. Step 2: Convert to fraction form
   21,292.04/29,389.56 = 12,341.81/x
3. Step 3: Cross multiply
   21,292.04x = 29,389.56 × 12,341.81
4. Step 4: Simplify right side
   21,292.04x = 362,720,365.50
5. Step 5: Solve for x
   x = 362,720,365.50/21,292.04
6. Step 6: Final answer
   x = 17,035.49